80986635

素因数分解:

$3^4\times 5^1\times {\mathrm{199967}}^1$

素因数の和:199984

約数の個数: 20

約数和(自身を含む): 145176768

約数和(自身を除く): 64190133

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 199967, 599901, 999835, 1799703, 2999505, 5399109, 8998515, 16197327, 26995545, 80986635]

約数ペア:

[(1, 80986635), (3, 26995545), (5, 16197327), (9, 8998515), (15, 5399109), (27, 2999505), (45, 1799703), (81, 999835), (135, 599901), (405, 199967)]